1 Port LP PCI Express Serial Card (16550 UART) The PEX1S552LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection. Preinstalled low profile, half height bracket includes standard bracket.
BI-DIRECTIONAL SPEEDS 921.6KBPS/PORT 256 BYTE FIFO PIN 9 PWR OUT 5V/12V/NON